Singularity, Wielandt's Lemma and singular values (Q984901)
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scientific article; zbMATH DE number 5758052
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Singularity, Wielandt's Lemma and singular values |
scientific article; zbMATH DE number 5758052 |
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Singularity, Wielandt's Lemma and singular values (English)
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20 July 2010
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The authors obtain some upper and lower bounds for the largest and the smallest singular values of certain complex matrices based on the entries and diagonal dominance. A relationship between largest singular value of a block matrix and its block norm matrix is obtained. Numerical examples are given to demonstrate the usefulness of their results.
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singular value
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saddle point
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block matrix
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Wielandt's lemma
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diagonal dominance
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numerical examples
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